单体

Results The five purified ginkgolic acid monomers were GA13:0.,GA15:0.,GA15:1 ,GA17:1 and GA17:2 ,with a side chain of 13,15,17 alkyl or ethylenic radicals respectively on their benzene loop.

结果纯化的银杏酸5个同系物单体为GA13：0、GA15：1、GA15：0、GA17：1和GA17：2，其母核苯环上分别有1个13、15及17烷基或烯基的侧链。

The coating composition comprises, in a specific proportion, a vehicle ingredient comprising in a specific proportion an oligomer having at least twoacrylate groups and an ethylenic monomer copolymerizable with the oligomer, aacrylic-modified chlorinated polyolefin having a specific chlorine content, an organic peroxide polymerization initiator, and a polyisocyanate compound.

该涂料组合物含有特定比例的由至少具有两个丙烯酸酯基的低聚物和可与该低聚物共聚的乙烯性不饱和单体形成的媒介物成分、特定氯含率的丙烯酰基改性氯化聚烯烃、有机过氧化物聚合引发剂、和聚异氰酸酯化合物。

The synthesis, characterization and polymerization of a new cyclic 6-(N-isopropyl acylamine ethylidene)-ε-caprolactone were reported.

研究了官能团化新型己内酯单体的合成及其与丙交酯无规共聚物的降解性能。

A SPE procedure was suggested for extracting and concentrating fisetin by using different volume fractions of ethanol in aqueous solution as the loading conditions.

分别以中药黄栌的主要成分非瑟酮为印迹分子、丙烯酰胺为功能单体及乙二醇二甲基丙烯酸酯为交联剂，通过封管聚合法合成了分子印迹聚合物；将其装于自制的固相萃取柱中，研究了以不同体积比的乙醇-水溶液为溶剂时非瑟酮在柱上的保留行为；通过优化清洗及洗脱条件，使非瑟酮与它的结构相似物槲皮素在柱上得到了很好的分离。

In the copolymers of fluorene and DBT, the efficient energy transfer due to exciton trapping on narrow band-gap DBT sites has been observed.

在芴与DBT的共聚物中，观察到了由于激子在低带隙单体DBT位置的捕获而产生的有效的能量转移。

The main content is as follows;(1)Five fluorenyl cardo diamines with different alkyl substituents were synthesized and characterized.

主要内容包括；1。五种含有不同烷基取代基的芴(来源：A6eBC论文网www.abclunwen.com)基Cardo型二胺单体被合成和表征。

We synthesized a new monomer 1, 4-bis (4-fluorobenzoyl) naphthalene(1, 4-BFN) using the acyl chloride reaction and Friedel-Crafts acylation reaction of 1, 4-Naphthalenedicarboxylic acid with fluorobenzene.

第二部分，我们从1，4-萘二甲酸出发，经过酰氯化反应及付氏酰基化反应，合成了新型单体1，4-二（4-氟苯羰基）萘(1， 4-BFN)。

1680 The molecular formular of I was determined by molecular ion peak 484 in EIMS to be C^HioNA.

从EIMS给出分子离子峰为484，推导出单体I的分子式为C_(27)H_(40)N_4O_4。

A surface-initiated ring-opening polymerization approach was used to functionalize multiwalled carbon nanotubes with linear poly.

通过化学改性，在碳纳米管表面引入氨基，然后引发N~5-苄氧羰基赖氨酸的N~2-羧基-α-氨基酸酐单体的开环聚合，成功将聚赖氨酸接枝到碳纳米管表面。

We select pharmacodynamics index, establish animal model, and carve availability group according to pharmacological experiments. And draw a conclusion that the 60%EtOH extr. is availability group. In this group, 15 compounds have been isolated, 13 are identified, 6 are the first isolation from Galium verum L., 2 are the compounds that no document reports. Most of the compounds are flavonoids, others are organic acid and anthraquinone.

本课题首先选取治疗下肢静脉炎相关的药效学指标，建立动物模型，在药理学实验的基础上，确立大孔树脂60％乙醇洗脱部位为有效部位，继而对该部位进行进一步的化学研究，分离出单体化合物15个，鉴定结构13个，其中有6个是从蓬子菜中首次分离得到，有2个化合物是国内外文献中未见报道的化合物，结构鉴定工作正在进行中。

For a big chunk of credit-card losses; the number of filings (and thus charge-off rates) would be rising again, whether

年美国个人破产法的一个改动使得破产登记急速下降，而后引起了信用卡大规模的亏损。

Eph. 4:23 And that you be renewed in the spirit of your mind

弗四23 而在你们心思的灵里得以更新